the gas is carbon-dioxide....
We could answer this question just by knowing who was the president in 1938 - it was <span>A. Neville Chamberlain. But it is also true that he appeased Hitler- or thought he did</span>
he was killed during the initial stages of the Spanish conquest of Mexico, when conquistador Hernán Cortés and his men fought to escape from the Aztec capital Tenochtitlan
A. Kingdoms! Hope this helped :)
The answer is answer chioce D or A. I can't quite figure out.